Cisco Evolved Programmable Network CLI file inclusion

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability classified as problematic was found in Cisco Evolved Programmable Network, Identity Services Engine and Prime Infrastructure (Network Management Software) (affected version unknown). Affected by this vulnerability is an unknown code of the component CLI. The manipulation with an unknown input leads to a privilege escalation vulnerability. The CWE definition for the vulnerability is CWE-73. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability in the restricted shell of Cisco Evolved Programmable Network (EPN) Manager, Cisco Identity Services Engine (ISE), and Cisco Prime Infrastructure could allow an authenticated, local attacker to identify directories and write arbitrary files to the file system. This vulnerability is due to improper validation of parameters that are sent to a CLI command within the restricted shell. An attacker could exploit this vulnerability by logging in to the device and issuing certain CLI commands. A successful exploit could allow the attacker to identify file directories on the affected device and write arbitrary files to the file system on the affected device. To exploit this vulnerability, the attacker must be an authenticated shell user.

The weakness was released 05/22/2021 as cisco-sa-ade-xcvAQEOZ. The advisory is shared at tools.cisco.com. This vulnerability is known as CVE-2021-1306 since 11/13/2020. The exploitation appears to be easy. An attack has to be approached locally. A single authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/23/2021).

Upgrading eliminates this vulnerability.

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CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2infoedit

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-73
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: tools.cisco.com

Timelineinfoedit

11/13/2020 CVE assigned
05/22/2021 +189 days Advisory disclosed
05/22/2021 +0 days VulDB entry created
05/23/2021 +1 days VulDB last update

Sourcesinfoedit

Vendor: https://www.cisco.com/

Advisory: cisco-sa-ade-xcvAQEOZ
Status: Confirmed

CVE: CVE-2021-1306 (🔒)

Entryinfoedit

Created: 05/22/2021 01:25 PM
Updated: 05/23/2021 06:12 PM
Changes: (1) source_cve_cna
Complete: 🔍

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